86381419 has 4 divisors (see below), whose sum is σ = 86400144. Its totient is φ = 86362696.

The previous prime is 86381387. The next prime is 86381431. The reversal of 86381419 is 91418368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86381419 - 2⁵ = 86381387 is a prime.

It is a super-2 number, since 2×86381419² = 14923499096907122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86381479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2994 + ... + 13480.

It is an arithmetic number, because the mean of its divisors is an integer number (21600036).

Almost surely, 2^86381419 is an apocalyptic number.

86381419 is a deficient number, since it is larger than the sum of its proper divisors (18725).

86381419 is a wasteful number, since it uses less digits than its factorization.

86381419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18724.

The product of its digits is 41472, while the sum is 40.

The square root of 86381419 is about 9294.1604784940. The cubic root of 86381419 is about 442.0520863660.

The spelling of 86381419 in words is "eighty-six million, three hundred eighty-one thousand, four hundred nineteen".